SvgaLib/demos/mousetest.c

140 lines
3.6 KiB
C

/* Program to test the svgalib mouse functions. */
/* Updated to use middle button and rx axis (for wheel mice)
by Brion Vibber <brion@pobox.com>, 5 July 1998 */
#include <stdlib.h>
#include <stdio.h>
#include <vga.h>
#include <vgagl.h>
#include <vgamouse.h>
#include <vgakeyboard.h>
/* Manually open and close mouse? */
#define MANUALLY_SETUP_MOUSE_NOT
static int newcolor(void)
{
if (BYTESPERPIXEL == 1)
return random() % 15 + 1;
return gl_rgbcolor(random() & 255, random() & 255, random() & 255);
}
int main(void)
{
int vgamode, color, leftpressed, middlepressed;
int x, y, rx, ox, oy, boxsize, button, wheel;
struct MouseCaps caps;
vga_init();
vgamode = vga_getdefaultmode();
if (vgamode == -1)
vgamode = G320x200x256;
if (!vga_hasmode(vgamode)) {
printf("Mode not available.\n");
exit(-1);
}
#ifndef MANUALLY_SETUP_MOUSE
/* Enable automatic mouse setup at mode set. */
vga_setmousesupport(1);
#endif
vga_setmode(vgamode);
/* Disable wrapping (default). */
/* mouse_setwrap(MOUSE_NOWRAP); */
gl_setcontextvga(vgamode);
gl_enableclipping();
#ifdef MANUALLY_SETUP_MOUSE
mouse_init("/dev/mouse", MOUSE_MICROSOFT, MOUSE_DEFAULTSAMPLERATE);
mouse_setxrange(0, WIDTH - 1);
mouse_setyrange(0, HEIGHT - 1);
mouse_setwrap(MOUSE_NOWRAP);
#endif
/* Check the mouse capabilities */
if(mouse_getcaps(&caps)) {
/* Failed! Old library version... Check the mouse type. */
switch(vga_getmousetype() & MOUSE_TYPE_MASK) {
case MOUSE_INTELLIMOUSE:
case MOUSE_IMPS2:
wheel = 1;
break;
default:
wheel = 0;
}
} else {
/* If this is a wheel mouse, interpret rx as a wheel */
wheel = ((caps.info & MOUSE_INFO_WHEEL) != 0);
}
/* To be able to test fake mouse events... */
if (keyboard_init()) {
printf("Could not initialize keyboard.\n");
exit(1);
}
/* Set the range for the wheel */
if(wheel)
mouse_setrange_6d(0,0, 0,0, 0, 0, -180,180, 0,0, 0,0, MOUSE_RXDIM);
color = newcolor();
leftpressed = middlepressed = x = y = rx = ox = oy = 0;
boxsize = 5;
for (;;) {
keyboard_update();
gl_fillbox(x, y, boxsize, boxsize, color);
mouse_update();
/* The RX axis represents the wheel on an wheel mouse */
mouse_getposition_6d(&x, &y, NULL, &rx, NULL, NULL);
if(wheel && rx) {
/* For clarity - wipe the old location out
so we can redraw with the new box size */
gl_fillbox(ox, oy, boxsize, boxsize, 0);
/* Interpret wheel turns; we care only about direction,
not amount, for our purposes */
boxsize += (rx / abs(rx));
(boxsize < 1)?(boxsize = 1):((boxsize > 10)?(boxsize = 10):0);
/* Zero the wheel position */
mouse_setposition_6d(0,0,0, 0,0,0, MOUSE_RXDIM);
}
ox = x; oy = y;
button = mouse_getbutton();
if (button & MOUSE_LEFTBUTTON) {
if (!leftpressed) {
color = newcolor();
leftpressed = 1;
}
} else
leftpressed = 0;
if (button & MOUSE_MIDDLEBUTTON) {
if (!middlepressed) {
/* Move the cursor to a random location */
mouse_setposition_6d(random() % WIDTH, random() % HEIGHT,0,
0,0,0,
MOUSE_2DIM);
middlepressed = 1;
}
} else
middlepressed = 0;
if (button & MOUSE_RIGHTBUTTON)
break;
}
#ifdef MANUALLY_SETUP_MOUSE
mouse_close();
#endif
vga_setmode(TEXT);
exit(0);
}